Hi John, Will do, thanks!
(I have been testing out subsetting via the TDS for the ESG folks upstairs from me, and I thought they had submitted a bug report, but it sounds like it hasn't happened yet. I'll write up what I've got and send it to you off-list.) Cheers, --Seth On Wed, 28 Aug 2013 17:25:21 -0600 John Caron <[email protected]> wrote: >Hi Seth: > >On 8/28/2013 12:59 PM, Seth McGinnis wrote: >> Hi Sean, >> >> Personally, I would regard that as suspect behavior. >> >> I'm of the opinion that it's best practice for a data service to >> affect the data it operates on in very targeted and transparent >> way, and that it should pass everything else through untouched. >> If it doesn't do that, it's harder to trust the service, because >> the more ways that it modifies the data, the more opportunities >> there are for it to get something wrong, and the more likely it >> is that the error will go unnoticed because it's hiding amongst a >> bunch of other changes. > >We take this philosophy also. > >> >> Case in point, I have recently discovered that when the THREDDS >> server subsets CF data that uses a coordinate system other that >> lat-lon, it mangles a bunch of the ancillary data in the file. I >> suspect this happens, ironically enough, precisely because it's >> trying to make the data CF-1.0 conformant instead of just leaving >> it as-is... > >Let us know what the specifics are and we can try to make it better. > >> >> So yes, I think it's significant that the data coming out of >> THREDDS is in a different convention than the source files, and >> that it's cause for concern. > >A famous story from NCAR data portal early days is that some users added the >Conventions = "CF-1.0" attribute to their data because they had to make their >data CF compliant. But thats all they did. Hey, it passed the compliance >checker! ;) > >Regards, >John >_______________________________________________ >CF-metadata mailing list >[email protected] >http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
